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Consolidated Statements of Equity - USD ($)
$ in Thousands
Total
Common Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
Balance at Dec. 31, 2021 $ 896,692 $ 864 $ 1,049,696 $ (153,868)
Balance, Shares at Dec. 31, 2021   86,423,000    
Net Income (Loss) 66,335     66,335
Dissolution of and net loss attributable to noncontrolling interest [1] (206)   8 (214)
Unrealized holding gain on investments, net of tax [1] (5,051)     (5,051)
Common stock issued under employee stock purchase plan 5,396 $ 3 5,393  
Common stock issued under employee stock purchase plan, Shares   287,000    
Issuance of restricted stock   841,000    
Issuance of restricted stock Value   $ 8 (8)  
Stock-based compensation expense 16,977   16,977  
Forfeitures of restricted stock   $ (1) 1  
Forfeitures of restricted stock, shares   (60,000)    
Repurchased common stock (88,511) $ (45) (88,466)  
Repurchased common stock, shares   (4,544,000)    
Balance at Dec. 31, 2022 891,632 $ 829 983,601 (92,798)
Balance, Shares at Dec. 31, 2022   82,947,000    
Net Income (Loss) (60,408)     (60,408)
Unrealized holding gain on investments, net of tax [1] 1,521     1,521
Common stock issued under employee stock purchase plan 4,912 $ 4 4,908  
Common stock issued under employee stock purchase plan, Shares   407,000    
Issuance of restricted stock   964,000    
Issuance of restricted stock Value   $ 10 (10)  
Stock-based compensation expense 12,323   12,323  
Forfeitures of restricted stock   $ (2) 2  
Forfeitures of restricted stock, shares   (239,000)    
Repurchased common stock (919) $ (1) (918)  
Repurchased common stock, shares   (61,000)    
Balance at Dec. 31, 2023 849,061 $ 840 999,906 (151,685)
Balance, Shares at Dec. 31, 2023   84,018,000    
Net Income (Loss) (99,069)     (99,069)
Unrealized holding gain on investments, net of tax [1] 1,143     1,143
Common stock issued under employee stock option, employee stock purchase plan and stock purchase plan 3,638 $ 5 3,633  
Aggregate number Shares issued under Stock Purchase Plans   467,000    
Issuance of restricted stock   1,649,000    
Issuance of restricted stock Value   $ 17 (17)  
Stock-based compensation expense 11,868   11,868  
Forfeitures of restricted stock   $ (1) 1  
Forfeitures of restricted stock, shares   (90,000)    
Repurchased common stock $ (1,703) $ (2) (1,701)  
Repurchased common stock, shares 0 (178,000)    
Balance at Dec. 31, 2024 $ 764,938 $ 859 $ 1,013,690 $ (249,611)
Balance, Shares at Dec. 31, 2024   85,866,000    
[1] Presented within retained deficit as the balance is immaterial.